Please write a report. A major component of a consistent compensation plan is the ability to make sure that  employees working in different cities are paid comparable salaries. One of the variables to consider is the cost of living differences between cities. Using this web site (below) calculate differences in pay for two cities:

www.homefair.com/homefair/calc/salcalc.html

Are the numbers the same for the two web sites? Consider the relative validity of each calculation given by the website.